dsh-refusal: Polite Refusals and Structured Recommendations

The DeepSeek Harness plugin `dsh-refusal`, maintained by uckkk, is designed to address the issue of agents normatively refusing user requests. Implemented in pure Node.js, the plugin returns structured suggestions based on specific scenarios, helping agents maintain a polished interaction experience when refusing requests. Installation requires specific dependency versions (`@deepseek-ai/cordis ^4.0.1` and `@deepseek-ai/dsh-tools >=0.1.0-rc.6`) and runs with the permissions of the current process. It is recommended to review the source code and license before installation.